# US 2014/0193684 A1 · Rechargeable battery pack > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0193684 A1 - Document ID: US20140193684A1 - Status: Published application - Kind: A1 - Application number: 14/088,801 - Filed: 2013-11-25 - Published: 2014-07-10 - Earliest claimed: 2013-01-09 - Assignees: Samsung SDI Co., Ltd. - Applicants: Samsung SDI Co., Ltd. - Inventors: No-Hyun KWAG - Web page: https://patentgrep.com/patent/US20140193684A1 ## CPC - H01M 50/267: having means for adapting to batteries or cells of different types or different sizes - H01M 50/213: adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence) - Y02E 60/10: Energy storage using batteries - Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract A rechargeable battery pack includes a rechargeable battery cell, and a pair of cell holders receiving respective sides of the rechargeable battery cell in a length direction, the pair of cell holders being combinable with each other. Each of the cell holders includes a base that supports the rechargeable battery cell, a combination protrusion and a combination groove symmetrically disposed on an outer side of the base, a protrusion protruding from the base in the length direction so as to be combinable in the length direction, and a recess portion being concave in the base in the length direction such that the recess portion of one of the pair of cell holders is combinable with the protrusion of the other of the pair of cell holders. ## Claims ### Claim 1 A rechargeable battery pack, comprising: a rechargeable battery cell; and a pair of cell holders that receive respective sides of the rechargeable battery cell in a length direction, the pair of cell holders being combinable with each other, wherein each of the cell holders includes: a base that supports the rechargeable battery cell, a combination protrusion and a combination groove symmetrically disposed on an outer side of the base, a protrusion protruding from the base in the length direction so as to be combinable in the length direction, and a recess portion that is concave in the base in the length direction such that the recess portion of one of the pair of cell holders is combinable with the protrusion of the other of the pair of cell holders. ### Claim 2 (depends on 1) The rechargeable battery pack as claimed in claim 1, wherein each cell holder further includes a support corresponding to an end of the rechargeable battery cell and supporting the end of the rechargeable battery cell in the length direction. ### Claim 3 (depends on 1) The rechargeable battery pack as claimed in claim 1, wherein the pair of cell holders includes: a first cell holder that receives one side of the rechargeable battery cell in the length direction, and a second cell holder for receiving another side of the rechargeable battery cell in the length direction. ### Claim 4 (depends on 3) The rechargeable battery pack as claimed in claim 3, wherein the protrusion and the recess portion of the first cell holder are symmetrical to each other, and the recess portion and the protrusion of the second cell holder are symmetrical to each other and combinable with the protrusion and the recess portion of the first cell holder. ### Claim 5 (depends on 4) The rechargeable battery pack as claimed in claim 4, wherein the protrusion of each cell holder includes a hook that protrudes to cross the length direction, and the recess portion of each cell holder includes a cell holder groove that is concave in the length direction. ### Claim 6 (depends on 3) The rechargeable battery pack as claimed in claim 3, wherein the protrusion of the first cell holder includes a first protrusion and a second protrusion that are symmetrical to each other, and the recess portion of the second cell holder includes a first recess portion and a second recess portion combinable with the first protrusion and the second protrusion, the first recess portion and the second recess portion being symmetrical to each other. ### Claim 7 (depends on 6) The rechargeable battery pack as claimed in claim 6, wherein the first protrusion and the first recess portion have a corresponding first length, and the second protrusion and the second recess portion have a corresponding second length that is less than the first length. ### Claim 8 (depends on 1) The rechargeable battery pack as claimed in claim 1, wherein the rechargeable battery cell has cylindrical shape or a square shape. ### Claim 9 A rechargeable battery pack, comprising: a plurality of rechargeable battery cells; and a plurality of cell holders for receiving the rechargeable battery cells, the cell holders being combinable with each other on an outer side thereof, wherein each of the cell holders includes: a base for supporting one of the rechargeable battery cells, and a combination protrusion and a combination groove symmetrically disposed on an outer side of the base. ### Claim 10 (depends on 9) The rechargeable battery pack as claimed in claim 9, wherein the one rechargeable battery cell is a cylindrical rechargeable battery, and the base of each of the cell holders is in a form of a cylinder corresponding to the cylindrical rechargeable battery. ### Claim 11 (depends on 10) The rechargeable battery pack as claimed in claim 10, wherein the combination protrusion includes: a first combination protrusion at one side of the base; and a second combination protrusion spaced apart from the first combination protrusion at a predetermined interval. ### Claim 12 (depends on 11) The rechargeable battery pack as claimed in claim 11, wherein the first combination protrusion includes: a primary first combination protrusion; and a secondary first combination protrusion and a tertiary first combination protrusion on respective sides in a 30-degree direction from the primary first combination protrusion such that the primary first combination protrusion is centered between the secondary first combination protrusion and the tertiary first combination protrusion. ### Claim 13 (depends on 11) The rechargeable battery pack as claimed in claim 11, wherein the combination groove includes: a first combination groove on the base at an opposite side of the base in a diameter direction from the first combination protrusion; and a second combination groove on the base at an opposite side of the base in a diameter direction from the second combination protrusion. ### Claim 14 (depends on 13) The rechargeable battery pack as claimed in claim 13, wherein the first combination groove includes: a primary first combination groove; and a secondary first combination groove and a tertiary first combination groove provided on respective sides in a 30-degree direction of the primary first combination groove such that the primary first combination groove is centered between the secondary first combination groove and the tertiary first combination groove. ### Claim 15 (depends on 9) The rechargeable battery pack as claimed in claim 9, wherein the combination protrusion has a first width at a surface of the base and includes an inclined surface such that a protruded end of the combination protrusion has a second width that is greater than the first width. ### Claim 16 (depends on 15) The rechargeable battery pack as claimed in claim 15, wherein the combination groove has a first width at the surface of the base, the first width of the combination groove corresponding to the first width of the combination protrusion, and includes an inclined surface such that the combination groove has a second width inside the base, the second width of the combination groove corresponding to the second width of the combination protrusion. ### Claim 17 (depends on 9) The rechargeable battery pack as claimed in claim 9, wherein the combination protrusion includes: a connector that protrudes from the base, the connector having a first width; and an extension at an end of the connector, the extension having a second width that is greater than the first width. ### Claim 18 (depends on 17) The rechargeable battery pack as claimed in claim 17, wherein the combination groove has the first width at a surface of the base to correspond to the connector, and has the second width inside the base to correspond to the extension. ### Claim 19 (depends on 9) The rechargeable battery pack as claimed in claim 9, wherein the combination protrusion protrudes from the base with a first width, and the combination groove is formed into an outer surface of the base with the first width to correspond to the combination protrusion. ### Claim 20 (depends on 10) The rechargeable battery pack as claimed in claim 10, wherein, with respect to each of the cell holders: the combination protrusion includes a plurality of combination protrusions at regular intervals on half of a circumference of the base, and the combination groove includes a plurality of combination grooves symmetric with the combination protrusions at regular intervals on another half of the circumference of the base.